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Product Detailed Parameters
- Description：IC RETIMER 1.25-12.8G 4X4 144BGA
- Series：-
- PLL：-
- Mfr：Semtech Corporation
- Main Purpose：-
- Input：Clock, Data
- Output：Clock, Data
- Number of Circuits：1
- Ratio - Input:Output：4:04
- Differential - Input:Output：-
- Frequency - Max：12.8Gbps
- Voltage - Supply：0.9V, 1.8V
- Operating Temperature：-
- Mounting Type：Surface Mount
- Package / Case：-
- Supplier Device Package：144-BGA
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Overview
The GN2404BIBE3 is a four-lane retimer with adaptive equalization and transmit de-emphasis designed for 5Gbps to 12.8Gbps full-rate operations. It supports half-rate and quarter-rate operation down to 1.25Gbps for Ethernet, Infiniband, and Fiber Channel applications. The device extends high-speed serial link reach by compensating for transmission losses and resetting crosstalk and jitter budgets. It accepts up to two input reference clocks and is IEEE 802.3ba (10GbE/100GbE) compliant. Typical power dissipation is 340mW per channel at 10.3Gbps using a 0.9V core supply and 1.8V I/O supply.
Feature Summary
- Four-lane repeater/retimer operating from 5Gbps to 12.8Gbps at full rate
- Adaptive linear input equalization combined with adaptive multi-tap DFE
- Multi-tap output de-emphasis and programmable output swing
- Integrated 4x4 crosspoint supporting host-side and line-side loopback
Applications
- Ethernet applications
- Infiniband applications
- Fiber Channel applications
- 10GBASE-KR link training
- Infiniband SDR/DDR/QDR compliance
Procurement Notes
Verify the specific ordering suffix against official Semtech documentation to confirm package type and temperature range. The GN2404BIBE3 corresponds to a 144-pin 13mm x 13mm BGA package with an operating temperature range of -20°C to +105°C. Ensure compatibility with required voltage supplies (0.9V core, 1.8V I/O) during system design validation.
Selection Notes
Select this component when designing systems requiring signal integrity restoration for data rates between 1.25Gbps and 12.8Gbps. It is suitable for backplane or cable applications where loss compensation and jitter budget reset are critical. Consider the 144-pin BGA footprint and thermal requirements associated with 340mW/channel dissipation at 10.3Gbps.
Part Context
The GN2404 belongs to the GN2404 family of multi-lane signal conditioners within Semtech's portfolio. Other variants in this family include the GN2403BIBE3 and GN2403SBIBE3, which share the same 144-pin 13mm x 13mm BGA package and -20°C to +105°C temperature range specifications.
Replacement Considerations
The GN2403BIBE3 and GN2403SBIBE3 are listed as part of the same GN2404 family with identical packaging and temperature ratings. Verify functional equivalence through official datasheets before substitution.
